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Mathematics

Answered

Twice the sum of x and y decreased by 21

Answer :

JuliaYoungwonKo17 JuliaYoungwonKo17

Today at 9:06 PM

Answer: 2((x+y)-21)

Calculation/Explanation:

Twice the sum of x and y decreased by 21 means that you must add x and y first before decreasing by 21. The last step is to double the whole equation that we just performed.

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